WO2020184709A1 - 手摺及び手摺の取付方法 - Google Patents

手摺及び手摺の取付方法 Download PDF

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Publication number
WO2020184709A1
WO2020184709A1 PCT/JP2020/011143 JP2020011143W WO2020184709A1 WO 2020184709 A1 WO2020184709 A1 WO 2020184709A1 JP 2020011143 W JP2020011143 W JP 2020011143W WO 2020184709 A1 WO2020184709 A1 WO 2020184709A1
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WO
WIPO (PCT)
Prior art keywords
handrail
bracket
bush
mounting surface
handrail rod
Prior art date
Application number
PCT/JP2020/011143
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
内藤貴志
齋藤誠司
Original Assignee
ナカ工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ナカ工業株式会社 filed Critical ナカ工業株式会社
Priority to JP2021505158A priority Critical patent/JP7263504B2/ja
Priority to CN202080033917.5A priority patent/CN113795640B/zh
Publication of WO2020184709A1 publication Critical patent/WO2020184709A1/ja

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18—Balustrades; Handrails

Definitions

  • the present invention relates to a method of attaching handrails and handrails to be installed on the wall surface or floor of a toilet, bathroom, entrance, etc.
  • a handrail rod is attached to a wall surface or a floor surface (hereinafter referred to as "mounting surface") with a bracket.
  • mounting surface a wall surface or a floor surface
  • a through hole into which a fixing screw is inserted and a hole-shaped engaging recess penetrating in the wall thickness direction are provided on the peripheral wall at the end of the handrail bar (handrail rod).
  • the main body (bush portion) of the bush (bracket) is provided with a screw hole into which a fixing screw is screwed and an engaging protrusion that fits into the engaging recess (particularly see FIG. 2).
  • the main body of the bush is inserted into the end of the handrail bar, and the engaging protrusion is fitted into the engaging recess as an engaging mechanism, whereby the handrail bar and the bush are fixed with a fixing screw.
  • Temporary assembly can be performed before fixing.
  • the engaging mechanism in the handrail described in Patent Document 1 is such that the fitting depth of the engaging projection into the engaging recess increases as the fixing screw is screwed into the screw hole, so that the fixing screw can be screwed in. In the state of temporary assembly, the force to regulate the movement of the handrail bar in the pulling direction is weak.
  • an object of the present invention is that temporary assembly of the handrail rod and the bracket can be easily performed, an appropriate temporary assembly state can be firmly maintained, and workability can be improved. To provide a handrail and its mounting method.
  • the first feature of the present invention is a handrail rod in which a metal pipe is coated with a covering material, and the handrail rod is fixed with a screw and attached to a mounting surface by a fixing means.
  • a handrail provided with a bracket, the base portion of the bracket fixed to the mounting surface is provided with a recess into which the end portion of the handrail rod is fitted, and the recess is provided with the metal tube.
  • a bush portion to be inserted into the bush portion is projected from the bottom surface, and a plurality of ribs extending along the projecting direction are provided on the outer peripheral surface of the bush portion at predetermined intervals in the circumferential direction.
  • At least the bush portion is formed of a synthetic resin softer than the metal pipe, and the virtual outer peripheral circle passing through the apex of each rib in the bush portion is manufactured to be the same as or larger than the inner circumference of the metal pipe. It is characterized by.
  • the bush portion of the bracket when the bush portion of the bracket is inserted into the metal tube, the bush portion is inserted into the metal tube while the top of the rib is scraped, so that the rib of the bush portion inserted into the metal tube and the inside of the metal tube are inserted. Due to the frictional force with the peripheral surface, the temporarily assembled bracket can be firmly held in the temporarily assembled state without wobbling. Further, since it is not necessary to provide the engagement mechanism as in the conventional case, the temporary assembly can be realized with a simple configuration, and the appearance is not spoiled.
  • the second feature of the present invention is that the cross-sectional shape of the end portion of the handrail rod and the cross-sectional shape of the concave portion are formed in a non-circular shape.
  • the end of the handrail rod is fitted into the recess of the bracket, so that the handrail rod is positioned in the bracket, and the through hole provided in the handrail rod and the screw screw provided in the bracket are screwed together.
  • the positions of the holes can be easily matched. Further, since the movement of the handrail rod in the circumferential direction is restricted by fitting the end portion of the handrail rod and the concave portion, the positions of the through hole and the screw screw hole do not shift in the circumferential direction.
  • a third feature of the present invention is that a groove is provided around the bush on the bottom surface of the recess, and the rib extends from the inside of the groove along the outer peripheral surface of the bush in a protruding direction. It is characterized by the fact that.
  • rib shavings are generated when the bush portion is inserted into the metal pipe, and the rib shavings can be stored in the groove portion.
  • the shavings of the ribs are caught between the end surface of the end portion of the handrail rod and the bottom surface of the recess, and the handrail rod rattles when the handrail is attached to the mounting surface, or it becomes a through hole of the handrail rod. It is possible to prevent troubles such as the screw screw holes of the bracket being misaligned and not being fixed with screws.
  • a fourth feature of the present invention is that the outer peripheral portion of the base portion is provided with an index portion that serves as an index when marking the fixed position of the base portion on the mounting surface. ..
  • the bracket can be mounted at an appropriate position by marking the position of the index portion, aligning the index portion of the base portion with this mark, and mounting the bracket on the mounting surface.
  • the fifth feature of the present invention is that the index portion is provided at two locations on the outer peripheral portion of the base portion on two virtual lines passing through the center of the bush portion.
  • the fifth feature four marks are attached to the mounting surface at the position of the index part, and two lines connecting the two opposite marks are drawn. Then, since the intersection of these two lines is the drilling position of the insertion hole of the fixing means for fixing the bracket, the position of the insertion hole can be easily specified and the insertion hole can be drilled at an appropriate position.
  • the sixth feature of the present invention is the method of attaching the handrail having the first to third features, in which the bush portion of the bracket is inserted into the metal tube of the handrail rod, and the handrail rod and the bracket are screwed together.
  • the temporary assembly process of assembling the handrail temporary assembly combined without fixing with, and the base portion of the bracket of the handrail temporary assembly are brought into contact with a desired position on the mounting surface, and the fixing position of the base portion is placed on the mounting surface.
  • the disassembling step of disassembling the handrail temporary assembly used in the marking step into a handrail rod and a bracket, and the base portion of the bracket disassembled in the disassembling step are aligned with the mark, and the bracket is attached by the fixing means.
  • the metal tube of the handrail rod disassembled in the disassembly step is inserted into the bush portion of the bracket fixed to the mounting surface in the bracket fixing step of fixing to the surface and the handrail rod and the bracket are screwed together. It is characterized by having a handrail rod fixing step of fixing with.
  • the sixth feature by marking the fixed position of the bracket in the state where the handrail rod and the bracket are temporarily assembled, it is possible to mark the appropriate position where the handrail is actually mounted on the mounting surface.
  • the seventh feature of the present invention is that, in the method of mounting the handrail, an index portion is provided on the outer peripheral portion of the base portion as an index for marking a fixed position on the mounting surface in the marking process.
  • a mark is placed at a position corresponding to the index portion on the mounting surface, and in the bracket fixing step, the index portion of the bracket is aligned with the mark.
  • the bracket can be mounted at an appropriate position by marking a position on the mounting surface corresponding to the index portion and aligning the index portion of the bracket with this mark.
  • the eighth feature of the present invention is that, in the method of attaching the handrail, the index portion is provided at two locations on the two virtual lines passing through the center of the bush portion on the outer peripheral portion of the base portion.
  • the marking step a mark is placed at a position corresponding to each index portion on the mounting surface, and in the drilling step, two lines connecting the marks marked in the marking step are drawn, and the two lines are drawn. The intersection of the lines is set as a drilling position, and in the bracket fixing step, the index portion of the bracket is aligned with the four marks.
  • the position of the insertion hole can be easily specified and the insertion hole can be drilled at an appropriate position.
  • a handrail and a handrail that can easily temporarily assemble the handrail rod and the bracket, can firmly hold an appropriate temporarily assembled state, and can improve workability.
  • the purpose is to provide the mounting method.
  • the handrail 1 of the present embodiment is attached to the wall surface W, and includes a handrail rod 10 and a bracket 30 for supporting and fixing the handrail rod 10.
  • the handrail rod 10 of the present embodiment has a straight rod-shaped main body 13 as a handle portion and a curved portion 14 curved at a right angle from both ends of the main body 13 toward the wall surface W. And an end portion 15 extending cylindrically from the tip of the curved portion 14 toward the wall surface W, and the end portion 15 is fixed to the bracket 30.
  • the handrail rod 10 is formed by coating the surface of a metal tube 11 formed of stainless steel, aluminum, iron, or the like with a covering body 12 made of synthetic resin.
  • the covering body 12 may be a single layer or a plurality of layers.
  • the cross section of the metal tube 11 is a perfect circle, and the cross section of the covering body 12 is an elliptical shape.
  • the end 15 of the handrail rod 10 is provided with a through hole 16 penetrating in the thickness direction.
  • two through holes 16 are provided so as to face each other in the minor axis direction of the elliptical handrail rod 10.
  • the through hole 16 is a stepped hole formed by counterbore processing.
  • the bracket 30 includes a base portion 31 fixed to the wall surface W, a recess 32 into which the end portion 15 of the handrail rod 10 is fitted, and a bush portion 33 into which the metal tube 11 is inserted.
  • the bracket 30 is integrally molded with a synthetic resin such as ABS resin or POM resin, but at least the bush portion 33 may be formed of a synthetic resin softer than the metal tube 11.
  • the base portion 31 and the recess 32 may be formed of a synthetic resin different from that of the bush portion 33, or may be formed of a metal.
  • the base portion 31 has an elliptical shape in a plan view.
  • a concave index portion 34 that serves as an index when marking a fixed position of the base portion 31 on the wall surface W is provided on the outer peripheral portion of the base portion 31.
  • the index unit 34 is provided at two locations on the outer peripheral portion of the base portion 31 on two virtual lines V1 and V2 passing through the center C of the bush portion 33.
  • the long axis of the elliptical base portion 31 and the virtual line V1 and the short axis and the virtual line V2 coincide with each other, and the index unit 34 has two locations on the long axis (virtual line V1) of the base portion 31. , Two places are provided on the short axis (virtual line V2).
  • the surface of the base portion 31 is provided with a recess 32 into which the end portion 15 of the handrail rod 10 is fitted.
  • the cross-sectional shape (planar view shape) of the recess 32 is the same elliptical shape as the cross-sectional shape of the end portion 15 of the handrail rod 10.
  • the inside of the recess 32 is slightly larger than the outer shape of the end 15 so that the end 15 of the handrail rod 10 can be fitted inside the recess 32.
  • a cylindrical bush portion 33 is projected from the bottom surface 35 of the recess 32 at the center thereof.
  • the bush portion 33 includes a columnar portion 36 protruding from the bottom surface 35 of the recess 32, and a conical trapezoidal portion 37 whose diameter is reduced from the columnar portion 36 to the tip end. Since the conical trapezoidal portion 37 can be inserted up to the curved portion 14 of the metal pipe 11, the cylindrical portion 36 of the bush portion 33 and the end portion 15 of the handrail rod 10 can be shortened. Further, the bush portion 33 is provided with an insertion hole 39 in which a fixing means 38 such as a bolt is inserted coaxially with the axis from the tip thereof to the back surface of the base portion 31.
  • the bush portion 33 is provided with two screw screw holes 40 at positions symmetrical with respect to the axis.
  • the screw screw hole 40 is formed by screwing a screw 41 for fixing the bracket 10 and the handrail rod 30, and when the end portion 15 of the handrail rod 10 and the recess 32 are fitted, the handrail rod 10 penetrates. It is formed at a position that matches the hole 16.
  • each rib 42 is provided so as to extend from the groove portion 43 on the outer peripheral surface of the bush portion 33 along the projecting direction.
  • each rib 42 is provided from the base end of the bush portion 33 to the tip of the columnar portion 36, and the tip end side portion of each rib 42 is inclined so that the height of the rib 42 decreases toward the tip end. It is a surface 45.
  • the bush portion 33 is manufactured so that the maximum outer diameter D1 (see FIG. 4) of the cylindrical portion 36 without the rib 42 is smaller than the inner diameter D3 (see FIG. 2) of the metal tube 11 of the handrail rod 10. Further, in the bush portion 33, the diameter D2 (see FIG. 4) of the virtual outer circle V3 passing through the vertices of the plurality of ribs 42 is the same as or larger than the inner diameter D3 (see FIG. 2) of the metal tube 11, and the bush portion 33 It is manufactured smaller than the outer diameter D4.
  • the diameter D2 of the virtual outer circle V3 is set to a size that allows the bush portion 33 to be inserted into the metal pipe 11 while the metal pipe 11 scrapes the top 44 of the rib when the bush portion 33 is inserted into the metal pipe 11.
  • the groove portion 43 is set to a size in which the top portion 44 of the rib 42 can accommodate the scraped shavings.
  • the end 15 of the handrail rod 10 becomes the recess 32 when both directions are the same in the circumferential direction. Fit inside. Further, the shavings from which the top 44 of the rib 42 has been scraped off are housed in the groove 46 provided on the bottom surface 35 of the recess 32, and the end surface of the end 15 of the handrail rod 10 comes into contact with the bottom surface 35 of the recess 32. Then, it is confirmed that the positions of the through hole 16 of the handrail rod 10 and the screw screw hole 40 of the bush portion 33 match.
  • the handrail rod 10 and the bracket 30 may be temporarily assembled at a factory or the like and shipped in the state of the handrail temporary assembly 2, or the handrail rod 10 and the bracket 30 may be shipped separately and shipped at the installation site or the like.
  • the temporary assembly 2 may be assembled.
  • a "marking process" for marking the fixed position of the base portion 31 on the wall surface W will be described.
  • the handrail temporary assembly 2 assembled in the temporary assembly step is held, and the back surface of the base portion 31 is brought into contact with the wall surface W at a desired position (FIG. 7).
  • a mark M is attached to the position corresponding to the index portion 34 on the wall surface W with a writing instrument or a ruled writing instrument (FIG. 8). Marking is performed on all index units 34.
  • the handrail temporary assembly 2 is separated from the wall surface W.
  • a "drilling step" of drilling the insertion hole H in the wall surface W with reference to the mark M will be described.
  • two lines L1 and L2 connecting the opposing marks M are drawn.
  • the intersection P of the two lines L1 and L2 is the drilling position of the insertion hole H of the fixing means 38 (FIG. 9).
  • a drilling tool such as a drill, the insertion hole H is drilled so that the intersection P is at the center.
  • the "disassembly step" of disassembling the handrail temporary assembly 2 into the handrail rod 10 and the bracket 30 will be described.
  • the bush portion 33 of the bracket 30 inserted into the metal tube 11 is pulled out from the metal tube 11, and the handrail temporary assembly 2 used in the marking process is disassembled into the handrail rod 10 and the bracket 30.
  • the disassembling step may be performed between the marking step and the drilling step, or may be performed between the drilling step and the bracket fixing step.
  • Bracket fixing step for fixing the bracket 30 to the wall surface W by the fixing means 38 will be described.
  • the index portions 34 of the bracket 30 disassembled in the disassembling step are aligned with the four marks M marked on the wall surface W, and the bracket 30 is fixed to the wall surface W by fixing means 38 such as bolts.
  • the handrail 1 in this embodiment is attached to the wall surface W.
  • the bush portion 33 of the bracket 30 is inserted into the metal pipe 11 while the top portion 44 of the rib 42 is scraped, so that the rib of the bush portion 33 inserted into the metal pipe 11 is inserted. Due to the frictional force between the 42 and the inner peripheral surface of the metal tube 11, the temporarily assembled bracket 10 can be firmly held in the temporarily assembled state without wobbling. Further, since it is not necessary to provide the conventional engaging mechanism in the temporary assembly, the temporary assembly can be realized with a simple configuration, and the appearance is not spoiled. Further, since the inclined surface 45 of each rib 42 is formed so that the virtual outer circumference circle V3 is reduced in diameter toward the tip end, the cylindrical portion 36 of the bush portion 33 can be easily inserted into the metal tube 11. ..
  • the mark M can be attached at an appropriate position where the handrail 1 is actually attached to the wall surface W. Further, since the bracket 30 does not wobble when the back surface of the base portion 31 of the bracket 30 is brought into contact with the wall surface W, the mark M can be attached at an accurate position.
  • the shavings of the rib 42 generated when the bush portion 33 is inserted into the metal tube 10 are stored in the groove portion 43 provided on the bottom surface 35 of the recess 32, the shavings of the rib 42 are stored in the handrail rod 10.
  • the handrail rod 10 with the handrail 1 attached to the wall surface W rattles because it is sandwiched between the end surface of the end portion 15 and the bottom surface 35 of the recess 32, or the through hole 16 of the handrail rod 10 and the screw screw of the bracket 30. It is possible to prevent troubles such as the position of the joint hole 40 being displaced and the screw 41 being unable to fix the hole 40.
  • the cross-sectional shape of the end portion 15 of the handrail rod 10 and the cross-sectional shape of the recess 32 of the bracket 30 are both the same elliptical shape, the end portion 15 of the handrail rod 10 is fitted into the recess 32 of the bracket 30.
  • the handrail rod 10 in the bracket 30 is positioned, and the positions of the through hole 16 of the handrail rod 10 and the screw screw hole 40 of the bracket 30 can be easily matched.
  • the positions of the through hole 16 and the screw screw hole 40 may be displaced in the circumferential direction. Absent.
  • the insertion hole H can be easily inserted in the drilling step.
  • the position can be specified and the insertion hole H can be drilled at an appropriate position.
  • the bracket 30 can be attached to an appropriate position by aligning the index portion 34 of the bracket 30 with the four marks M marked on the wall surface W.
  • the bush portion of the bracket can be a long cylindrical portion by omitting the conical trapezoidal portion.
  • the end portion 71 of the handrail rod 70 and the bush portion 91 of the bracket 90 are longer than those of the present embodiment, whereby a plurality of penetrations of the end portion 71 of the handrail rod 70 along the axial direction are made.
  • the holes 72 are arranged side by side, and a plurality of screw screw holes 92 are arranged side by side in the bush portion 91 along the projecting direction.
  • the handrail 1 is assembled by one handrail rod 10 and two brackets 30, but the present invention is applied to a handrail assembled by a plurality of handrail rods and a plurality of brackets. You may. Further, in the present embodiment, the handrail rod 1 is attached to the wall surface W by using the bracket 30 of the present invention, but the bracket of the present invention may be partially used and the rest may be known brackets. Further, the shape of the handrail rod 30 is not limited to the present embodiment, and the present invention can be applied to handrail rods having various shapes such as a substantially L-shape and a substantially U-shape.
  • the number and shape of the ribs 42 are not limited to this embodiment as long as the bracket 30 can be held when the handrail rod 10 and the bracket 30 are temporarily assembled. Further, regarding the number and shape of the groove portions 43, when the bush portion 33 of the bracket 30 is inserted into the metal tube 11 of the handrail rod 10, the shavings of the rib 42 can be accommodated, and the end surface of the handrail rod 10 is the bottom surface of the recess 32. As long as it can come into contact with 35, it is not limited to this embodiment.
  • the index portion 34 has a concave shape, but it may be formed into a convex shape, for example.
  • the cross section of the metal tube 11 is a perfect circle
  • the cross section of the covering body 12 is elliptical
  • the cross sections of the metal tube 11 and the covering body 12 are dissimilar
  • the metal tube 11 And the covering body 12 may have a similar shape in which the cross sections of the covering body 12 are both elliptical.
  • the cross-sectional shape of the end portion 15 of the handrail rod 10 and the cross-sectional shape of the recess 32 of the bracket 30 regulate the movement of the handrail rod 10 in the circumferential direction when the end portion 15 of the handrail rod 10 is fitted into the recess 32. As described above, it is preferable to make it non-round, but it is also possible to make the cross-sectional shape of the end portion 15 of the handrail rod 10 and the recess 32 of the bracket 30 round.
  • the present invention can be used for handrails attached to toilets, bathrooms, entrances and other facilities.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Passenger Equipment (AREA)
PCT/JP2020/011143 2019-03-14 2020-03-13 手摺及び手摺の取付方法 WO2020184709A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021505158A JP7263504B2 (ja) 2019-03-14 2020-03-13 手摺及び手摺の取付方法
CN202080033917.5A CN113795640B (zh) 2019-03-14 2020-03-13 扶手及扶手的安装方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019047370 2019-03-14
JP2019-047370 2019-03-14

Publications (1)

Publication Number Publication Date
WO2020184709A1 true WO2020184709A1 (ja) 2020-09-17

Family

ID=72426137

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/011143 WO2020184709A1 (ja) 2019-03-14 2020-03-13 手摺及び手摺の取付方法

Country Status (3)

Country Link
JP (1) JP7263504B2 (enrdf_load_stackoverflow)
CN (1) CN113795640B (enrdf_load_stackoverflow)
WO (1) WO2020184709A1 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4980515U (enrdf_load_stackoverflow) * 1972-10-26 1974-07-12
JPS54173515U (enrdf_load_stackoverflow) * 1978-05-27 1979-12-07
JPH09203181A (ja) * 1996-01-30 1997-08-05 Naka Tech Lab 手 摺
JP2003155814A (ja) * 2001-11-22 2003-05-30 Toto Ltd 手すり

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002349521A (ja) 2001-05-24 2002-12-04 N B C Kk 棒状・パイプ状装備品の固定装置
JP5045465B2 (ja) * 2008-01-31 2012-10-10 Ｔｏｔｏ株式会社 手摺
JP3141790U (ja) 2008-03-06 2008-05-22 ナカ工業株式会社 手すり
JP6933911B2 (ja) * 2017-03-17 2021-09-08 ナカ工業株式会社 手摺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4980515U (enrdf_load_stackoverflow) * 1972-10-26 1974-07-12
JPS54173515U (enrdf_load_stackoverflow) * 1978-05-27 1979-12-07
JPH09203181A (ja) * 1996-01-30 1997-08-05 Naka Tech Lab 手 摺
JP2003155814A (ja) * 2001-11-22 2003-05-30 Toto Ltd 手すり

Also Published As

Publication number Publication date
JPWO2020184709A1 (enrdf_load_stackoverflow) 2020-09-17
JP7263504B2 (ja) 2023-04-24
CN113795640B (zh) 2023-06-06
CN113795640A (zh) 2021-12-14

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